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Comparison Bosch PLR 40 C 0603672320 vs Bosch DLE 70 Professional 0601016600

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Bosch PLR 40 C 0603672320
Bosch DLE 70 Professional 0601016600
Bosch PLR 40 C 0603672320Bosch DLE 70 Professional 0601016600
from £65.29 
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from $116.00
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Main
Initial planes for measurement — 2. Ability to connect via Bluetooth v.4.0.
Spirit level for leveling in a plane
Typelaser distance meterlaser distance meter
Specs
Measurement range0.05 – 40 m0.05 – 70 m
Accuracy2 mm1.5 mm
Reference points24
Operating temperature-10 – 40 °C-10 – 50 °C
Tripod thread1/4"
Auto power off
Auto power off5 min5 min
Laser auto-off20 с20 с
Laser characteristics
Diode emission635 nm635 nm
Laser colourredred
Laser class22
Point projections11
Features
positioning pin
Displaycolourb/w without backlight
Spirit level
Bluetooth
Distance meter functions
area / volume measurement
add / subtract
minimum / max. values
continuous measurement (tracking)
area / volume measurement
add / subtract
 
continuous measurement (tracking)
General
IP protection rating5454
Power source2xAAA4хААА
Number of measurements1000030000
In box
case / pouch
non chargeable batteries
 
case / pouch
non chargeable batteries
belt
Dimensions100x42x22 mm59x100x32 mm
Weight84 g180 g
Added to E-Catalogaugust 2015april 2014

Measurement range

The range at which the device remains fully operational without the use of additional receivers (see below); in other words, the radius of its action without auxiliary devices.

In some models, a range may be specified that shows the minimum ( 3 cm, 5 cm) and maximum measurement ranges. But in most cases, only the maximum value is indicated.

The specific meaning of this parameter is determined by the type of instrument (see above). So, for optical levels, the measurement range is the greatest distance at which the operator can normally see the divisions of a standard leveling staff. For laser levels, this parameter determines the distance from the device to the surface on which the mark is projected, at which this projection will be easily visible to the naked eye; and in rangefinders we are talking about the greatest distance that can be measured. Typically, the measurement range is indicated for ideal conditions - in particular, in the absence of impurities in the air; in practice, it may be less due to dust, fog, or vice versa, bright sunlight "overlapping" the mark. At the same time, tools of the same type can be compared according to this characteristic.

Note that it is worth choosing a device according to the range of action, taking into account the features of the tasks that are planned to be solved with its help: after all, a large measurement range usually significa...ntly affects the dimensions, weight, power consumption and price, but it is far from always required. For example, it hardly makes sense to look for a powerful laser level at 30-40 m if you need a device for finishing work in standard apartments.

Accuracy

Measuring accuracy provided by a laser distance meter (see "Type")

This parameter is traditionally indicated by the error - the maximum deviation of the obtained results from the actual values, which may occur due to the imperfection of the device. The physical features of laser rangefinders are such that in such devices the error is practically independent of the measured distance. Therefore, the accuracy of such rangefinders is indicated in millimeters. At the same time, in our time, models are generally considered to be high- precision, where this indicator does not exceed 1.5 mm (in some models it is only 1 mm); but even in relatively simple and inexpensive devices, deviations of more than 3 mm are practically not encountered.

The general selection rules for this indicator are traditional: the more accurate the device, the more expensive it is, as a rule. In addition, we emphasize that for everyday and even many professional tasks, the difference described above is not fundamental in accuracy. Therefore, it makes sense to specifically look for a rangefinder with a minimum error in the case when the measurement accuracy “to the millimeter” is fundamental. At the same time, it should be borne in mind that for such measurements, appropriate accuracy in the placement and use of the device itself will be required - otherwise, all the advantages will be nullified by errors from incorrect installation and operation.

Reference points

The number of reference points provided in the rangefinder (see “Type”).

The reference point is called “conditional zero” - the point from which the device begins to measure distance. If the device states only one reference point, then this is, as a rule, the rear edge of the case. However, there are few such models on the market, mostly the simplest and most inexpensive rangefinders. Devices with two such points are much more popular - usually the rear and front edges of the case. There are also more advanced options - three or even four reference points. In the first case, the role of an additional conventional zero is played by either a folding stop bracket or a mounting point on a tripod; and the second usually provides both a bracket and a tripod socket.

In any case, a larger number of reference points provides more measurement possibilities, but increases the cost of the device.

Operating temperature

The temperature range at which the device is guaranteed to work for a sufficiently long time without failures, breakdowns and exceeding the measurement error specified in the characteristics. Note that we are talking primarily about the temperature of the device case, and it depends not only on the ambient temperature — for example, a tool left in the sun can overheat even in fairly cool weather.

In general, you should pay attention to this parameter when you are looking for a model for working outdoors, in unheated rooms and other places with conditions that are significantly different from indoor ones; in the first case, it makes sense to also make sure that there is dust and water protection (see "Protection class"). On the other hand, even relatively simple and "myopic" levels / rangefinders usually tolerate both heat and cold quite well.

Tripod thread

The standard size of the thread used to mount the level/rangefinder on a tripod (if available). This option can be useful if you already have a surveying tripod that you want to use with the tool.

The most popular options in modern devices are 1/4" and 5/8". It is worth noting that 1/4" is a standard size for photographic equipment - accordingly, levels with such a thread can be installed even on ordinary photographic tripods.

positioning pin

A design feature found in rangefinders — mainly laser ones.

The position bracket is a special stop on the body of the device, designed for convenience when measuring distances in some situations. This stop is one of the reference points — that is, by setting the appropriate settings, you can measure the distance not from the front or rear edge of the case, but from the bracket. This is useful, in particular, when measuring the distance from various edges — door and window openings, the edges of countertops and borders, etc.: in such situations, it can be convenient to rest the bracket on the starting point of measurement.

Display

Own screen on the device body.

All displays are used to display various additional information, which makes control more convenient and clear compared to models without displays ; but the specific functionality and features of the screen may vary, depending on the type. There are black and white options, backlit displays, color and even touch screens. More details about each:

— B/W without backlight. The simplest and most inexpensive type of display: a black-and-white LCD sensor without its own backlight. Despite their overall simplicity, such screens can have quite extensive capabilities: technically, they can display data related to the operation of the device (for example, the results of rangefinder measurements), and other additional information, including quite specific ones. In fact, the only thing that b/w displays are not suitable for is displaying images from a digital camera. In practice, the functionality of the display is selected according to the capabilities of a particular device. As for the lack of backlighting, this feature makes it difficult to use in low light conditions, but it reduces the price and power consumption. In addition, under the sun or other bright lighting on advanced backlit screens the image may “fade”, while on the simplest black and white screens wi...thout backlight it, on the contrary, becomes even clearer.

— B/W with backlight. Black and white screens equipped with backlight systems. Note that this category actually includes two types of displays: traditional black-and-white LCD matrices in the “black image on a white background” format, supplemented by an external lighting system, as well as single-color screens in the “light image on a black background” format, where the light itself can glow. image. Be that as it may, such displays can be used without restrictions in low light, but the downside of this is increased power consumption - especially in models where the backlight is constantly on.

- Colored. The functionality of color displays can be different - from the simplest LCD screens, capable of displaying only a few primary colors (for example, highlighting the most important numbers on the screen in a different color), to full-color matrices (like tech used, for example, in laptops). The first type is somewhat more convenient and clearer than the b/w displays described above, costs a little more, but has no other differences. The most advanced color screens, in turn, can even display a picture from a digital camera - and, in fact, they are mainly used in devices equipped with such cameras.

- Touch. The most advanced type of display. Such screens are almost always made in color and equipped with backlighting, and touch controls also allow them to be used to control the device (similar to what happens in smartphones and tablets). In terms of control, touch screens are more convenient and intuitive than traditional panels with buttons, switches, etc.; they are much better suited to handle the abundance of functions, and also provide some additional capabilities that are not available with traditional controls. On the other hand, such equipment is not cheap, and it simply does not make sense to use it in relatively simple and inexpensive devices - for such models, more affordable displays, even the simplest black and white ones, are quite sufficient. Therefore, the presence of a touch screen is almost guaranteed to be a sign of a high-end device with an abundance of functions.

Spirit level

Level based on a spirit capsule (or several such capsules) built into the body of the instrument.

Such a device allows you to control the position of the device — namely, to check whether it is set horizontally; however, some models also provide levels for the vertical position, and sometimes even for tilting at 45 ° or another angle. But the specific purpose of the spirit level may be different, depending on the type and general level of the device. The most popular option is a preliminary, rough installation of the laser level in the horizontal: the initial adjustment is carried out manually using a level, and after that the built-in self-leveling mechanism is activated. In simple and inexpensive household levels where high accuracy is not required, the spirit chamber may even be the only way to set it to the desired position; and some of these devices can also be used as full-fledged building levels.

Bluetooth

The presence of a Bluetooth module allows you to broadcast the measurements to the connected device. Thus, you can make the device as compact as possible, and read the received data directly from the phone. And in the era of high technology and the ability to control the phone with any device, such a decision looks quite reasonable.
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